Halogenated 4-trifluoromethyl-diphenyl-ether compounds and herbicidal compositions
Patent 4023958 Issued on May 17, 1977. Estimated Expiration Date: 
May 17, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 17, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3776961 3798276 3813444 InventorsAssigneeApplicationNo. 05/662067 filed on 02/27/1976US Classes:504/350, Chalcogen bonded directly to sulfur (e.g., sulfones, etc.)568/33, Oxy bonded directly to a ring568/37Carbonyl or oxy containing (e.g., ketone containing, etc.)ExaminersPrimary: Phillips, Delbert R.Attorney, Agent or FirmForeign Application Priority Data1973-07-03 DTAbstractHalogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R2 is hydrogen or methyl;X1 is halogen; andX2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides. |
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